Suede·Social
Power supplies·2026 · OCT
Isolated outputs2200mA DC9V · 12V · 18V

01Truetone · jack-by-jack math

How many pedals can the Truetone 1 SPOT Pro CS12 power?

11 isolated outputs and 2200mA of DC, checked jack by jack against 211 pedals at their own voltage.

Plan a board on the Truetone 1 SPOT Pro CS12

02The short answer

Up to 11 pedals, one per output (2 of them 18V only), from 2200mA of DC.

Built for: A large board of up to eleven DC pedals, with two dedicated 18V jacks and four high-current jacks for the digital pedals.

  • 152 of the 205 powered pedals in our database run on any jack here at their voltage, even its smallest (100mA at 9V).
  • 48 need one of its larger jacks, up to 500mA at 9V.
  • 1 draw more than any jack here carries at their voltage.
  • 4 pedals have no published draw: read the figure off the label and the calculator finds the jack that carries it.
  • 4 passive volume pedals take no jack at all.
  • The Eventide H90 Harmonizer runs from its own 12V adapter, off the supply.
  • The Electro-Harmonix Deluxe Memory Man runs from its own 24V adapter, off the supply.

03The jacks

Per-jack ratings as the manufacturer publishes them. A jack carries a pedal when it offers the pedal's voltage and its rating at that voltage is at or above the pedal's draw.

OutputJacksVoltagemA per jackPedals each jack carries
Jacks 1-2218V100mA4 of 201
Jacks 3-649V / 12V100mA148 of 201
Jack 719V100mA148 of 201
Jacks 8-929V250mA173 of 201
Jacks 10-1129V500mA196 of 201
Total DC112200mA

Every output section is isolated, so a digital pedal on one jack does not share a ground with the pedal next to it. “Pedals each jack carries” counts the 201 powered pedals in our database with a published draw, each at its own voltage. Pedal figures are typical published draws; check each pedal’s label for its voltage and polarity before you plug in.

04Where the big pedals go

The pedals in our database that need more than its smallest jack at their voltage, highest draw first.

Needs a larger jack · 48
Not on this supply · 1

Run these from a supply with a bigger jack. Compare supplies.

05A real board on it

The calculator's example board (a tuner, a compressor, an overdrive, a distortion, a delay and a reverb), run on this supply.

Runs clean

Draw
293mA
Available
2200mA
Headroom
1907mA
Outputs
6 of 11

Open it in the calculator

Source

Per-jack ratings transcribed from Truetone’s published spec. Output 7 also switches to a 4V to 9V setting for pedals that like a sagging battery. A twelfth outlet supplies 9V AC at 800mA. It is omitted because it cannot power a DC pedal, which is why the DC capacity here is lower than the headline combined figure. Truetone spec page.

Checked against that page on October 15, 2026.

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